#ifndef ERRORS_H_
#define ERRORS_H_

enum {
  E_OK              =  0,
  E_NOMEMORY        = -1,
  E_UNKNOWN_FSTYPE  = -2,
  E_NOENTRY         = -3,
  E_OUTOFBOUNDS     = -4,
  E_UNKNOWN_SDTYPE  = -5,
  E_TODO            = -6,
  E_BADIO           = -7,
  E_BADSYSCALL      = -8,
  E_DOSCHEDULING    = -9,
  E_INVALIDARGUMENT = -10,
  E_INVALIDOPER     = -11,
};

static const char *_ERROR_STRINGS[] = {
  "OK",
  "Out of memory",
  "Unknown filesystem type",
  "No entry",
  "Out of bounds access",
  "Unknown storage device type",
  "TODO",
  "I/O error",
  "System call error",
  "Perform scheduling (internal flag)",
  "Invalid argument",
  "Invalid operation",
};

#define ERRSTRING_INDEX(ioh) ((size_t)((ioh) < 0 ? (ioh) * (-1) : (ioh)))
#define ERRSTRING(ioh) (_ERROR_STRINGS[ERRSTRING_INDEX(ioh)])

#endif // ERRORS_H_